Since the new coronavirus is sensitive to heat, ultraviolet light, 75% ethanol and chlorine preparations, appropriate methods can be used to disinfect the home according to the characteristics of the new coronavirus, such as hot water boiling to disinfect the tableware of patients with new coronavirus pneumonia, ultraviolet light to disinfect the indoor air, and the indoor air should be kept circulating. The windows should be opened frequently for ventilation. Clothing and bedding can be disinfected by UV irradiation, and surfaces can be disinfected by wiping with 75% ethanol. Toilets and toilets can be disinfected with chlorine-containing preparations, excreta can be disinfected with chlorine-containing preparations, and surfaces that are not afraid of corrosion can also be disinfected with chlorine-containing preparations.